start:
    goto end

step_0:
    remember obj = {}

    do obj = {}

    do obj.insert(42, "Hello")

    do obj = {}

    goto end

step_1:
    remember obj = {}

    say obj.contains("42")

    do obj.insert("42", "Hello")

    say obj.contains("42")

    goto end

step_2:
    remember obj = {}

    say obj.remove("42")

    do obj.insert("Hello", 42)

    do obj.remove("Hello")

    goto end

step_3:
    remember obj = {}

    say obj.is_empty()
    say obj.length()

    do obj.insert("42", "Hello")

    say obj.is_empty()
    say obj.length()

    do obj = {}

    say obj.is_empty()
    say obj.length()

    goto end

step_4:
    remember obj = {}

    do obj.insert("toto", "tutu")

    say obj.contains("toto")

    goto end

step_5:
    remember obj = {}

    say obj.keys()
    say obj.values()

    do obj["_1"] = "toto"
    do obj.insert("_2", "toto")
    do obj._3 = "toto"

    foreach (k) in obj.keys() {
        say obj.contains(k)
    }

    foreach (v) in obj.values() {
        say v
    }

    goto end

step_6:
    do obj = {}

    say obj.keys()
    say obj.values()

    do obj["_1"] = "toto"
    do obj.insert("_2", "toto")
    do obj._3 = "toto"

    foreach (k) in obj.keys() {
        say obj.contains(k)
    }

    foreach (v) in obj.values() {
        say v
    }

    goto end

step_7:
    use {} as obj

    say obj.keys()
    say obj.values()

    do obj["_1"] = "toto"
    do obj.insert("_2", "toto")
    do obj._3 = "toto"

    foreach (k) in obj.keys() {
        say obj.contains(k)
    }

    foreach (v) in obj.values() {
        say v
    }

    goto end


step_8:
    use {} as obj

    do obj.insert("Hello", "Hello")
    do obj.insert("World", "World")

    do obj.clear_values()

    foreach (value) in obj.values() {
        say value
    }

    goto end